Charles Schwab’s Integral Ad Science IAS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-637,495
Closed -$6.48M 3471
2025
Q3
$6.48M Buy
637,495
+21,381
+3% +$185K ﹤0.01% 2316
2025
Q2
$5.12M Buy
616,114
+27,219
+5% +$208K ﹤0.01% 2330
2025
Q1
$4.75M Sell
588,895
-14,953
-2% -$149K ﹤0.01% 2291
2024
Q4
$6.3M Buy
603,848
+7,941
+1% +$87.1K ﹤0.01% 2234
2024
Q3
$6.44M Buy
595,907
+41,528
+7% +$446K ﹤0.01% 2245
2024
Q2
$5.39M Buy
554,379
+20,380
+4% +$195K ﹤0.01% 2330
2024
Q1
$5.32M Buy
533,999
+44,181
+9% +$590K ﹤0.01% 2262
2023
Q4
$7.05M Buy
489,818
+91,396
+23% +$1.22M ﹤0.01% 2165
2023
Q3
$4.74M Buy
398,422
+65,160
+20% +$1.01M ﹤0.01% 2286
2023
Q2
$5.99M Buy
333,262
+57,666
+21% +$974K ﹤0.01% 2161
2023
Q1
$3.93M Sell
275,596
-4,042
-1% -$45.4K ﹤0.01% 2311
2022
Q4
$2.46M Buy
279,638
+4,512
+2% +$38.3K ﹤0.01% 2503
2022
Q3
$1.99M Buy
275,126
+116,682
+74% +$1.04M ﹤0.01% 2588
2022
Q2
$1.57M Buy
158,444
+9,351
+6% +$112K ﹤0.01% 2636
2022
Q1
$2.06M Buy
149,093
+36,344
+32% +$619K ﹤0.01% 2641
2021
Q4
$2.5M Buy
112,749
+2,781
+3% +$63.3K ﹤0.01% 2626
2021
Q3
$2.27M Buy
+109,968
New +$2.17M ﹤0.01% 2669

Other funds holding IAS

Charles Schwab's IAS Position: Q4 2025 in Review

Charles Schwab sold out of Integral Ad Science (IAS) in Q4 2025, closing a stake of 637,495 shares — an estimated $6.48M sold.

Charles Schwab first reported a position in IAS in Q3 2021 and held it in 17 quarters. The position peaked at $7.05M in Q4 2023. 2 funds tracked by Wall St. Rank hold IAS as of Q4 2025.

  • Charles Schwab reported no remaining Integral Ad Science position as of Q4 2025 after selling out during the quarter.
  • Charles Schwab sold 637,495 Integral Ad Science shares in Q4 2025, an estimated $6.48M.
  • Charles Schwab first reported a position in Integral Ad Science in Q3 2021 and held it in 17 quarters.
  • Charles Schwab's Integral Ad Science position peaked at $7.05M in Q4 2023.
  • 2 funds tracked by Wall St. Rank held Integral Ad Science as of Q4 2025.

Based on Charles Schwab's 13F filing for Q4 2025, filed 13 Feb 2026.